Huangshan City Boen Teconolagy Co., Ltd.  is manufacturing the HAA crosslinker (Primid System).Boen Teconolagy has cooperated with Nanjing University of Science and Technology to develop the HAA crosslinker (Primid System) which are used to cure powder coatings based on carboxylic polyester (PES) resins and realize industrial production for over 10 years. This product can replace the original toxic product TGIC. Its main advantages are: small amount of non-toxic addition, low price, low curing temperature and stable properties. It is a very promising product.